AnsweredAssumed Answered

SD card hot plug can not automatically mount and identify SD card

Question asked by Peter Xia on Oct 9, 2014
Latest reply on Nov 4, 2014 by CarlosCasillas

I.mx53_smd

imx_android_R10.4

Beginning: SD car mount ok
mmc1: new high
speed SDHC card at address aaaa
mmcblk1: mmc1:aaaa SD04G 3.69 GiB (ro)

mmcblk1:

Then hot plug(manually unmount):
mmcblk1:mmc1: Card removed and resetting
controller.
mmc1: card aaaa removed
mmc1: new high speed SDHC card at
address aaaa
mmcblk2: mmc1:aaaa SD04G 3.69 GiB (ro)
mmcblk2:
and the  SD card is  not automatic mounted

SO, When I manually mount external SD card :
FAT: Directory bread(block
1975) failed
FAT: Directory bread(block 1976) failed
FAT: Directory
bread(block 1977) failed

I want to know :What is the causes of this kind of problems?
please help me.

tank you

 

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